Finding the Fourth Proportional to 4,756,305.48, 7,134,438.72 and 1,722,961.08
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Solution
The fourth proportional to 4,756,305.48, 7,134,438.72 and 1,722,961.08 is: 2,584,434.56
Step by Step Solution
- Step 1: Write the proportion equation
4,756,305.48 : 7,134,438.72 = 1,722,961.08 : x - Step 2: Convert to fraction form
4,756,305.48/7,134,438.72 = 1,722,961.08/x - Step 3: Cross multiply
4,756,305.48x = 7,134,438.72 × 1,722,961.08 - Step 4: Simplify right side
4,756,305.48x = 12,292,360,242,205.02 - Step 5: Solve for x
x = 12,292,360,242,205.02/4,756,305.48 - Step 6: Final answer
x = 2,584,434.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.